Home / 1,089,460.20-1,635,227.10-931,866.60

Finding the Fourth Proportional to 1,089,460.20, 1,635,227.10 and 931,866.60

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Solution

The fourth proportional to 1,089,460.20, 1,635,227.10 and 931,866.60 is: 1,398,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,460.20 : 1,635,227.10 = 931,866.60 : x
  2. Step 2: Convert to fraction form
    1,089,460.20/1,635,227.10 = 931,866.60/x
  3. Step 3: Cross multiply
    1,089,460.20x = 1,635,227.10 × 931,866.60
  4. Step 4: Simplify right side
    1,089,460.20x = 1,523,813,517,904.86
  5. Step 5: Solve for x
    x = 1,523,813,517,904.86/1,089,460.20
  6. Step 6: Final answer
    x = 1,398,686.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.